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| author | fishsoupisgood <github@madingley.org> | 2020-06-14 10:55:07 +0100 |
|---|---|---|
| committer | fishsoupisgood <github@madingley.org> | 2020-06-14 10:55:07 +0100 |
| commit | 0060468326b7ab0cd07d0d80a84118e7c5bcf348 (patch) | |
| tree | 8be8ad7b1cb23be4765b9d94a7b8fcefa4d67e27 /app/i2c_hw.c | |
| parent | dbc21c1e5dfd95248fe2cd7da6d96c92bdbb97a4 (diff) | |
| download | robs_speedo-0060468326b7ab0cd07d0d80a84118e7c5bcf348.tar.gz robs_speedo-0060468326b7ab0cd07d0d80a84118e7c5bcf348.tar.bz2 robs_speedo-0060468326b7ab0cd07d0d80a84118e7c5bcf348.zip | |
add tacho
Diffstat (limited to 'app/i2c_hw.c')
| -rw-r--r-- | app/i2c_hw.c | 28 |
1 files changed, 14 insertions, 14 deletions
diff --git a/app/i2c_hw.c b/app/i2c_hw.c index d7989a9..7fc901e 100644 --- a/app/i2c_hw.c +++ b/app/i2c_hw.c @@ -5,6 +5,8 @@ #define SCL GPIO6 #define SDA GPIO7 +#define SCL_PORT GPIOB +#define SDA_PORT GPIOB void i2c_clear_start (uint32_t i2c) @@ -121,33 +123,31 @@ i2cp_reset_sm (void) { int i; - gpio_set_mode (GPIOB, GPIO_MODE_OUTPUT_50_MHZ, - GPIO_CNF_OUTPUT_PUSHPULL, GPIO_I2C1_SCL | GPIO_I2C1_SDA); + MAP_OUTPUT_PP(SCL); + MAP_OUTPUT_PP(SDA); - gpio_set (GPIOB, GPIO_I2C1_SDA); - gpio_set (GPIOB, GPIO_I2C1_SCL); + SET(SDA); + SET(SCL); delay_us (10); - gpio_clear (GPIOB, GPIO_I2C1_SDA); + CLEAR(SDA); delay_us (10); - gpio_clear (GPIOB, GPIO_I2C1_SCL); + CLEAR(SCL); for (i = 0; i < 9; ++i) { delay_us (10); - gpio_set (GPIOB, GPIO_I2C1_SCL); + SET(SCL); delay_us (10); - gpio_clear (GPIOB, GPIO_I2C1_SCL); + CLEAR(SCL); delay_us (10); } - gpio_set (GPIOB, GPIO_I2C1_SCL); + SET(SCL); delay_us (10); - gpio_set (GPIOB, GPIO_I2C1_SDA); + SET(SDA); delay_us (10); - gpio_set_mode (GPIOB, GPIO_MODE_OUTPUT_50_MHZ, - GPIO_CNF_OUTPUT_ALTFN_OPENDRAIN, - GPIO_I2C1_SCL | GPIO_I2C1_SDA); - + MAP_AF_OD(SCL); + MAP_AF_OD(SDA); } |